Alpine AL-90

Data

General

  • Manufacturer: Alpine
  • Model: AL-90

Type: Cassette Tape Deck

  • Years of manufacture: 1982 - 1987
  • Made in: Japan
  • Color: Black
  • Remote control: yes, optional
  • Power consumption: 40 W
  • Dimensions: 435 x 126 x 347 mm (WxHxD)
  • Weight: 10.1 kg
  • Original price approx.: 3'498 DM


Connections

  • Number of inputs:
    • Line In: 100 mV, 50 kOhm
    • DIN In: 0.8 mV
    • Microphones:
  • Number of outputs:
    • Line Out: 550 mV, 47 kOhm
    • DIN Out:
  • Headphones (6.3mm jack): 50mW / 8 Ohm


Technical Data:

  • Audio heads: 3
    • 1x Sendust recording
    • 1x ferrite playback
    • 1x ferrite erase head
  • Motors: 3
    • 1x double capstan direct drive servo motor for play
    • 1x DC servo motor for rewinding
    • 1x DC servo motor for opening the cassette compartment
  • Tape speed: 4,75 cm / s
  • Synchronous speed fluctuation: 0.022 % (WMRS)
  • Tape types:
    • Normal: Type I
    • Cr02: Type II
    • Metal: Type IV
  • Frequency response:
    • Normal Type I: 15 Hz - 22 kHz, 20 Hz - 20 kHz (± 1.5dB).
    • Cr02 Type II: 15 Hz - 22 kHz, 20 Hz - 20 kHz (± 1.5dB)
    • Metal Type IV: 15 Hz - 27 kHz, 20 Hz - 22 kHz (± 1.5dB)
  • Distortion factor:
    • 1.3% (max., 1 kHz / 0 dB, Type I).

1.5 % (max., 1 kHz / 0 dB, Type II)

    • 1.5 % (max., 1 kHz / 0 dB, Type IV)
  • Signal-to-noise ratio:
    • Normal: Type I
      • Without Dolby: > 56 dB
      • With Dolby B: > 64 dB
      • With Dolby C: > 71 dB

Cr02: Type II

      • Without Dolby: > 58 dB
      • With Dolby B: > 66 dB
      • With Dolby C: > 73 dB
    • Metal: Type IV
      • Without Dolby: > 60 dB
      • With Dolby B: > 67 dB
      • With Dolby C: > 73 dB
  • Crosstalk attenuation:
    • > 46 dB (channel, 1 kHz, 0 dB)
    • > 57 dB (track, 1 kHz, 0 dB)
  • Auto Reverse: no
  • Dolby: B, C
  • Premagnetization frequency: 105 kHz
  • Erasure frequency: 105 kHz
  • Cancellation attenuation: > 69 dB (125 Hz, Type IV)
  • Rewind time for C-60 cassette: FF/REW < 80 s


Special features:

  • 3-head cassette tape deck with rear tape control
  • Fully automatic calibration computer (BLES) for pre-magnetization, equalization and tape sensitivity.
    • BLES is an automatic calibration system that measures premagnetization, equalization, and tape sensitivity first separately, then correlatively, to adjust the system optimally for all
    • An additional manual calibration of the premagnetization allows a personal optimization
  • Data memory for premagnetization, equalization and tape sensitivity
  • Rec-Mute
  • Auto-Space
  • Auto-Rewind
  • Auto-Play
  • Peak / VU meter (switchable)
  • Fader
  • Digital Counter
  • Dolby B/C
  • Connectors for external Dolby
  • Speed fine control
  • Jog key operation
  • Timer-controlled recording and playback
  • Remote control


Remarks



Pictures

  • Picture: Alpine AL-90

Alpine AL-90.jpg


Reports

Links